Why do I get the error 530 SMTP authentication is required” when I try to send an e-mail?”

This article explains how to correct the error message 530 SMTP authentication is required when attempting to send an e-mail through an e-mail client like Outlook Express or Mozilla Thunderbird. In order to send e-mail securely through our mail servers, the SMTP authentication option needs to be enabled within your e-mail client software. The exact method for doing this differs depending on the software used. Instructions for configuring SMTP authentication in Outlook Express are below:

• Step 1 of 4

  Click the Tools menu at the top of the window and then click Accounts.

• Step 2 of 4

  Click the Mail tab on the resulting Internet Accounts Window, and select your Donhost e-mail account

• Step 3 of 4

  Click Properties to open the Properties dialogue box for your e-mail account

• Step 4 of 4

  Under the Outgoing Mail Server heading, check the My Server requires authentication box and click OK